#include <iostream>
using namespace std;
int main()
{
	int a,b,c;
	int max;
	cin >> a >> b >> c;
	max=a > b ? a > c ? a : c : b > c ? b : c;
	cout << "max=" << max << endl;
	cout << "hello world!\n";
	//cout << "a=" << a << endl;
	return 0;
}